Cushioned bag

Details Cushioned bag Cushioned bag

1986-05-19

1989-10-17

Moy, Joseph Man-Fu

Special receptacle or package

Shock protection type

Inflated retainer

206586, 206594, 383110, 383120, B65D 8102

Patent

active

048740942

ABSTRACT:
This cushioned bag includes a double layer of plastic with longitudinal columns formed therebetween. The columns contain cushioning material such as air. The bag has a tubular outer portion providing an outer wall and an inner portion providing an inner wall and cooperating with the outer wall to define the columns. The inner wall is connected to the outer wall intermediate to the columns. The method of manufacturing the cushioned bag comprises the steps of extruding the outer tubular member, extruding the inner tubular member having castled portions spaced from the outer member, sealing the inner member to the outer member between the castled portions, cutting the tubular members into individual bag lengths, sealing one end of the cut tubular members to provide a closed bottom portion and sealing the other end of the outer tubular member to the castled portions to provide closed upper ends of the castled portions.

REFERENCES:
patent: 2300473 (1942-11-01), Winkle
patent: 2314876 (1943-03-01), Greene
patent: 2319966 (1943-05-01), Wood et al.
patent: 2744624 (1956-05-01), Hoogstoel et al.
patent: 3005567 (1961-10-01), White
patent: 3142599 (1964-07-01), Chavannes
patent: 3259301 (1966-07-01), Onasch
patent: 3581883 (1971-06-01), Whitney
patent: 3587794 (1971-06-01), Mattel
patent: 3812001 (1974-05-01), Ryan
patent: 3889743 (1975-06-01), Presnick
patent: 4093068 (1978-06-01), Smrt
patent: 4314638 (1982-02-01), Gordon et al.

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